Androset ANDROSET_2.4G-AIRMSKYB 2.4G Mini Multi Wireless Keyboard Fly Air Mouse ANDROSET 2.4G wireless and IR, Working distance: 20 m; Sensors: Gyroscope (air mouse) Dimensions: 200.7163.8130 mm; Battery: 3 AAA batteries; Standby time: 6 months; Working time: 30 hours; Receiver: USB 2.0; Working System: Windows, Mac OS, Android, Linux Wake up: press left(L) or right(R) mouse key. Air mouse key: 78 key Package included: 1 x Androset air mouse 1 x micro-signal receiver dongle 1 x operation manual With Micro-signal receiver dongle it can be used in windows, Mac, Linux and Androicd OS